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Vendor:UnderGround Treasures
Heulandite with Stilbite, Apophyllite
A spectacular specimen featuring an exceptionally large, pristine, red-orange fan-shaped Heulandite crystal with a peach-colored Stilbite crystal acting as a twin. The Heulandite crystal has a beautiful “oily” luster and the Stilbite crystal is perfectly centered on a bed of water-clear Apophyllite and Stilbite...- $750.00
- $750.00
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Vendor:UnderGround Treasures
Cavansite
A very aesthetic piece featuring numerous deep-blue spherical rosettes of Cavansite on a contrasting microcrystalline Stilbite covered matrix. I know you hate to hear it and I hate to say it, but it’s much better in person . . . For some reason I...- $450.00
- $450.00
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Vendor:UnderGround Treasures
Chalcedony Geode with Okenite and Calcite
An exceptionally large Basaltic Geode lined with lustrous, blue-gray crystalline Chalcedony hosting dozens (maybe hundreds . . . ) of small, white Okenite balls and a centered cluster of intersecting, lustrous golden Calcite crystals. An amazing piece with exceptional contrast, luster, crystal formation and...- $750.00
- $750.00
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Vendor:UnderGround Treasures
Mesolite
I am especially intrigued by pieces that highlight a crystal on matrix, or in this case, a single hemispherical cluster or spray of needle-like Mesolite crystals on Chalcedony. What’s even more intriguing is that this spray is protected inside a partial vug, yet completely...- $350.00
- $350.00
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Vendor:UnderGround Treasures
Apophyllite, Pink with Stilbite
A very unique and unusual piece that features a large, thin crust of highly translucent, gemmy, slightly-pink crystalline Apophyllite hosting numerous white to colorless Stilbite crystals. Where the crystalline Apophyllite crust wraps upward, creating a bowl-like shape, the Apophyllite transitions to a deep-pink color....- $490.00
- $490.00
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Vendor:UnderGround Treasures
"Disco Ball" Apophyllite on Stilbite
The “disco ball" Apophyllite pieces are amazing, but this particular piece stands out because of the addition of numerous, lustrous white Stilbite crystals along with the double vug formation of the darker matrix. I’m used to seeing the disco balls on plates vs. vugs,...- $475.00
- $475.00
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Vendor:UnderGround Treasures
Stilbite with Apophyllite
A plate of colorless Apophyllite crystals hosting a few salmon-colored Stilbite crystals on a dark matrix. The plate is very large, the Apophyllite crystals are transparent and lustrous and the focal Stilbite crystal is large and perfectly centered. The Stilbites are all dusted with...- $290.00
- $290.00
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Vendor:UnderGround Treasures
Heulandite with Stilbite
An exceptionally large basalt geode completely lined with lustrous, orange miniature tabular Heulandite crystals hosting a single, large, light-yellow Stilbite crystal along with a smaller Stilbite crystal near the edge of the geode. A colorful and aesthetic specimen with amazing luster, color, contrast and...- $375.00
- $375.00
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Vendor:UnderGround Treasures
Apophyllite, Green with Stilbite
This piece hosts two gemmy, lustrous, transparent clusters of green Apophyllite crystals on numerous clusters of pinkish, translucent Stilbite crystals, all on a matrix of black, sparkly Chalcedony. A beautiful and showy piece with great contrast, color, luster and balance. In excellent condition. Location: Jalgaon,...- $500.00
- $500.00
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Vendor:UnderGround Treasures
Apophyllite, Green with Stilbite
This large piece hosts a gemmy, lustrous, transparent cluster of rich-green Apophyllite crystals on numerous clusters of pinkish, translucent Stilbite crystals, all on a matrix of black, sparkly Chalcedony. The formation and balance of this piece is particularly impressive: it features a large, sphere-like...- $650.00
- $650.00
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Vendor:UnderGround Treasures
Heulandite on Mordenite
A striking piece featuring numerous clusters of lustrous, translucent, pinkish tabular Heulandite crystals on flat white, fibrous Mordenite. The contrast between the pearly luster and pinkish color of the Heulandite crystals against the flat luster and bright white color of the Mordenite and the...- $350.00
- $350.00
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Vendor:UnderGround Treasures
"Disco Ball" Apophyllite on Stilbite
A beautiful specimen of lustrous, radiating clusters of transparent green Apophyllite crystals on a plate of contrasting Stilbite crystals. These unusual Apophyllite crystals have flat terminations and the radiating, round-like clusters are incredibly aesthetic. They are also the reason for the nickname, “disco ball” Apophyllite....- $750.00
- $750.00
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Vendor:UnderGround Treasures
Apophyllite on Mordenite
This piece features three clusters of radiating sprays of lustrous, pointed prismatic pyramidal Apophyllite crystals on Mordenite. The three clusters show an interesting transition, in that the initial crystal development was translucent and slightly off-white tinted, while the subsequent development became colorless and water-clear....- $340.00
- $340.00
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Vendor:UnderGround Treasures
Heulandite, Green
A rare and beautiful specimen featuring a cluster of deep-green, radiating Heulandite crystals with a small matrix of Stilbite and Apophyllite attached. The Heulandite crystals are well formed and exhibit a flower-like radial formation. A rare and very collectable color for this otherwise common...- $350.00
- $350.00
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Vendor:UnderGround Treasures
Cavansite
A superb specimen of Cavansite. This piece features a half-dozen deep-blue spherical rosettes of Cavansite on a contrasting microcrystalline Stilbite covered matrix. This Cavansite has such an intense, vivid blue color that it almost seems fake, but it’s very real! The challenge is getting...- $490.00
- $490.00
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Vendor:UnderGround Treasures
Stilbite on Chalcedony
A large specimen featuring numerous translucent, peach-colored Stilbite crystals on a colorless Chalcedony coated black matrix. The focal feature is a large Stilbite crystal (7 cm ) with a smaller perpendicular intersecting Stilbite crystal, both nicely centered. Great color, contrast and symmetry. A very...- $120.00
- $120.00
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Vendor:UnderGround Treasures
Apophyllite with Stilbite
A large, new find of superb, lustrous and exceptionally large pseudocubic red-brown Apophyllite crystals with modified corners with peach-colored, silky Stilbite crystals. The red-brown iron inclusions in the Apophyllite crystals appears to be a secondary event and exhibit a type of dendritic formation. The...- $1,600.00
- $1,600.00
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Vendor:UnderGround Treasures
Stilbite on Chalcedony
A very unusual and rare formation: A large cluster of lustrous, white, translucent micro-stalactitic Chalcedony hosting a number of pristine, transparent to translucent peach-colored Stilbite crystals. It is a stunning piece with outstanding luster, crystal formation and contrast - in excellent condition. Location: Jalgaon, Maharashtra,...- $350.00
- $350.00
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Vendor:UnderGround Treasures
Apophyllite with Heulandite
A very aesthetic piece that features a plate first coated with peach-colored microcrystalline Heulandite, and then subsequently completely covered in gemmy, transparent, Apophyllite crystals. But the focal point of the piece is the large, lustrous, pseudocubic Apophyllite crystal (2.3 cm) with modified corners and...- $110.00
- $110.00
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Vendor:UnderGround Treasures
Heulandite and Stilbite with Calcite
A large Geode lined with pink-orange Heulandite crystals with a partial coating of miniature, colorless Stilbite crystals, hosting a large (4.5 cm) translucent, soft-yellow Calcite rhombohedron. The Heulandite and Stilbite is colorful with a sparkling luster, while the Calcite rhomb has a satin luster....- $425.00
- $425.00
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Vendor:UnderGround Treasures
Apophyllite with Stilbite on Heulandite
A very large cabinet-size specimen hosting numerous lustrous, transparent, mint-green pseudocubic Apophyllite crystals with modified corners (up to 2.6 cm), along with smaller, colorless and nearly transparent Stilbite crystals (1.5 cm), all on a bed of white miniature Huelandite crystals on a dark gray...- $290.00
- $290.00
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Vendor:UnderGround Treasures
Okenite
A very large and superb specimen featuring numerous hemispherical clusters (“cotton balls”) of fibrous Okenite crystals with lustrous, white Gyrolite on a dark matrix coated with white Quartz microcrystals. The Okenite balls are of various sizes, and at the front is a intergrown cluster...- $390.00
- $390.00
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Vendor:UnderGround Treasures
Mesolite on Chalcedony
A very large, double-sided vug with both vugs lined with blue-gray Chalcedony hosting numerous radial sprays of white acicular Mesolite crystals. The double vug formation can be clearly seen externally. The featured pictures show a side view of the specimen and then two sets...- $675.00
- $675.00
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Vendor:UnderGround Treasures
Prehnite Epimorph after Laumontite with Apophyllite
A beautiful and extremely aesthetic specimen featuring mint-green Prehnite epimorphs after elongated Laumonite crystals (the Laumontite formed first, was overgrown with Prehnite, then the Laumontite dissolved leaving the Prehnite in the shape of the Laumontite crystals) completely coated with lustrous miniature translucent, colorless Apophyllite...- $500.00
- $500.00
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Vendor:UnderGround Treasures
Scolecite
An aesthetic tapered cluster of elongated colorless-to-white Scolecite crystals. At the base there is a trio of smaller, diverging clusters which add a nice symmetry and dimension to the piece. The crystals are transparent to translucent with glassy crystal faces. In excellent condition. Location: Nashik,...- $85.00
- $85.00
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Vendor:UnderGround Treasures
Natrolite
A dense cluster of acicular white Natrolite crystals coating a green-hued Basalt. The Natrolite crystals are white at their base and transition to transparent at their terminations. A unique piece with great contrast and in great condition. Location: Millington Quarry, Bernards Township, Somerset County, New...- $40.00
- $40.00
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Vendor:UnderGround Treasures
Thomsonite
An amazing specimen featuring several spherical clusters of translucent white Thomsonite on brown Basalt. The contrast is distinct, the luster is silky and the Thomsonite crystals are a solid white coloring with no staining. Thomsonite is a rare Zeolite, and a piece with this...- $240.00
- $240.00
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Vendor:UnderGround Treasures
Cavansite
This aesthetic piece features two spherical rosettes of deep-blue Cavansite crystals on matrix covered with miniature Stilbite crystals. The contrast and color is amazing and the piece is in excellent condition. Location: Wagholi Quarry, Maharashtra, India Size: 6.4 x 5.6 x 3.2 cm- $280.00
- $280.00
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Vendor:UnderGround Treasures
Scolecite
An aesthetic tapered cluster of elongated colorless-to-white Scolecite crystals. The crystals are transparent to translucent with glassy crystal faces. In excellent condition. Location: Nashik District, Maharashtra, India Size: 14 x 3 x 3 cm- $125.00
- $125.00
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Vendor:UnderGround Treasures
Apophyllite Stalactite
A very tall and impressive stalactite (19cm = 7.5in) comprised of numerous colorless, sharp and water-clear gemmy Apophyllite crystals hosting a half-dozen well formed, peach-colored Stilbite crystals with a pearly luster. The contrast between colors, lusters and shapes is superb, and the balance is just...- $525.00
- $525.00
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